Home / 252,762.12-379,044.36-126,363.24

Finding the Fourth Proportional to 252,762.12, 379,044.36 and 126,363.24

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Solution

The fourth proportional to 252,762.12, 379,044.36 and 126,363.24 is: 189,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,762.12 : 379,044.36 = 126,363.24 : x
  2. Step 2: Convert to fraction form
    252,762.12/379,044.36 = 126,363.24/x
  3. Step 3: Cross multiply
    252,762.12x = 379,044.36 × 126,363.24
  4. Step 4: Simplify right side
    252,762.12x = 47,897,273,433.33
  5. Step 5: Solve for x
    x = 47,897,273,433.33/252,762.12
  6. Step 6: Final answer
    x = 189,495.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.